2311653668 has 12 divisors (see below), whose sum is σ = 4046827932. Its totient is φ = 1155417120.

The previous prime is 2311653653. The next prime is 2311653691. The reversal of 2311653668 is 8663561132.

It can be written as a sum of positive squares in 2 ways, for example, as 1429444864 + 882208804 = 37808^2 + 29702^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89555 + ... + 112442.

It is an arithmetic number, because the mean of its divisors is an integer number (337235661).

Almost surely, 2^2311653668 is an apocalyptic number.

It is an amenable number.

2311653668 is a deficient number, since it is larger than the sum of its proper divisors (1735174264).

2311653668 is a wasteful number, since it uses less digits than its factorization.

2311653668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204862 (or 204860 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 2311653668 is about 48079.6596077801. The cubic root of 2311653668 is about 1322.2317747251.

The spelling of 2311653668 in words is "two billion, three hundred eleven million, six hundred fifty-three thousand, six hundred sixty-eight".